.leftData{
   width: 50px;
   background-color: #fff;
   text-align: center;
   border-radius: 5px;
   .mounth{
     font-size: 12px;
     line-height: 20px;
     height: 20px;
     color: #fff;
     border-radius: 5px 5px 0 0;
     background-color: red;
   }
   .day{
     font-size: 16px;
     line-height: 30px;
     height: 30px;
     color: #000;
     font-weight: bold;
   }
}